If you took introductory physics, you learned about the “fundamental forces.” It goes something like this: All interactions are the result of one or more of five basic forces: strong nuclear, weak ...

Ask any engineer what the velocity of a point on a rigidbody is, and he will correctly say that it is the timerate of change of a linear position vector. Ask anyengineer what angular velocity is, and ...

Aircraft A and B are flying on the same horizontal plane, each with a constant speed. Aircraft A is traveling on a straight path, whereas the path of B is circular. We are interested in understanding ...